The difference in the caliper-measured diameter of the well and the bit size.
指井径仪测量的井眼直径与钻头尺寸之差。
A method of measurement of bubble diameter in the prism is given. The measured diameter direction is incident laser beam direction.
提出一种测量固态透明物质中气泡直径的方法，所测气泡直径的方向应为入射激光束的方向。
A method of measurement of bubble diameter in the prism is given. The measured diameter direction is incident laser beam direction.
提出一种测量固态透明物质中气泡直径的方法，所测气泡直径的方向应为入射激光束的方向。
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